TEC Redshift

Ghast has given you an old TEC Redshift development model, but it is password protected. Crack the password.

"There is an unknown three-digit code (such as 4-7-3) that, when entered one digit at a time into #pass, will unlock the link between debug and secret. Find the three-digit code and created a file in your host that contains the code as a sequence of three values, followed by the development kit's RDK ID."